A note on Köthe-Toeplitz duals of certain sequence spaces and their matrix transformations

In this paper we define the sequence spaces Sℓ∞(p), Sc(p) and Sc0(p) and determine the Köthe-Toeplitz duals of Sℓ∞(p). We also obtain necessary and sufficient conditions for a matrix A to map Sℓ∞(p) to ℓ∞ and investigate some related problems.

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Main Authors: B. Choudhary, S. K. Mishra
Format: Article
Language:English
Published: Wiley 1995-01-01
Series:International Journal of Mathematics and Mathematical Sciences
Subjects:
Online Access:http://dx.doi.org/10.1155/S0161171295000871
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author B. Choudhary
S. K. Mishra
author_facet B. Choudhary
S. K. Mishra
author_sort B. Choudhary
collection DOAJ
description In this paper we define the sequence spaces Sℓ∞(p), Sc(p) and Sc0(p) and determine the Köthe-Toeplitz duals of Sℓ∞(p). We also obtain necessary and sufficient conditions for a matrix A to map Sℓ∞(p) to ℓ∞ and investigate some related problems.
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series International Journal of Mathematics and Mathematical Sciences
spelling doaj-art-914cef42e90c4f209f42edab425c28962025-02-03T05:45:26ZengWileyInternational Journal of Mathematics and Mathematical Sciences0161-17121687-04251995-01-0118468168810.1155/S0161171295000871A note on Köthe-Toeplitz duals of certain sequence spaces and their matrix transformationsB. Choudhary0S. K. Mishra1Department of Mathematics, Indian Institute of Technology, Hauz Khas, New Delhi 110016, IndiaDepartment of Mathematics, Indian Institute of Technology, Hauz Khas, New Delhi 110016, IndiaIn this paper we define the sequence spaces Sℓ∞(p), Sc(p) and Sc0(p) and determine the Köthe-Toeplitz duals of Sℓ∞(p). We also obtain necessary and sufficient conditions for a matrix A to map Sℓ∞(p) to ℓ∞ and investigate some related problems.http://dx.doi.org/10.1155/S0161171295000871sequence spacesKöthe-Toeplitz dualsmatrix transformations.
spellingShingle B. Choudhary
S. K. Mishra
A note on Köthe-Toeplitz duals of certain sequence spaces and their matrix transformations
International Journal of Mathematics and Mathematical Sciences
sequence spaces
Köthe-Toeplitz duals
matrix transformations.
title A note on Köthe-Toeplitz duals of certain sequence spaces and their matrix transformations
title_full A note on Köthe-Toeplitz duals of certain sequence spaces and their matrix transformations
title_fullStr A note on Köthe-Toeplitz duals of certain sequence spaces and their matrix transformations
title_full_unstemmed A note on Köthe-Toeplitz duals of certain sequence spaces and their matrix transformations
title_short A note on Köthe-Toeplitz duals of certain sequence spaces and their matrix transformations
title_sort note on kothe toeplitz duals of certain sequence spaces and their matrix transformations
topic sequence spaces
Köthe-Toeplitz duals
matrix transformations.
url http://dx.doi.org/10.1155/S0161171295000871
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